997160 has 32 divisors (see below), whose sum is σ = 2275560. Its totient is φ = 393216.

The previous prime is 997153. The next prime is 997163. The reversal of 997160 is 61799.

It can be written as a sum of positive squares in 4 ways, for example, as 972196 + 24964 = 986^2 + 158^2 .

It is not an unprimeable number, because it can be changed into a prime (997163) by changing a digit.

997160 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3752 + ... + 4008.

2⁹⁹⁷¹⁶⁰ is an apocalyptic number.

It is an amenable number.

997160 is an abundant number, since it is smaller than the sum of its proper divisors (1278400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997160 is a wasteful number, since it uses less digits than its factorization.

997160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 997160 is about 998.5789903658. The cubic root of 997160 is about 99.9052435739.

The spelling of 997160 in words is "nine hundred ninety-seven thousand, one hundred sixty".